Specification :

Technical Specification of QTG – Series Ultrasonic Thickness Gauge
Display type 4-digit LCD ( 128X64MM) with back light
Display resolution 0.001 inches or 0.01mm
Measuring range 0.040 to 15.75 inches ( 1 to 400mm) in steel
Memory Capacity ( QTG II) 5000 readings
Sound velocity range 3280-32800 ft/ s ( 1000-9999 m/ s)
Operating temperature 32° F to122° F ( 0° C to 50° C)
Frequency 5 MHz
Output( QTG II) USB communication with software
Power supply two AAA batteries
Battery life approx. 250 hours with one battery set
Dimensions 4-5/ 8 x 2-3/ 8 x 1-1/ 8 inches
Weight 7.7 oz ( 219 g) with batteries